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Finding the Fourth Proportional to 10,682.78, 16,020.70 and 3,565.13

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Solution

The fourth proportional to 10,682.78, 16,020.70 and 3,565.13 is: 5,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,682.78 : 16,020.70 = 3,565.13 : x
  2. Step 2: Convert to fraction form
    10,682.78/16,020.70 = 3,565.13/x
  3. Step 3: Cross multiply
    10,682.78x = 16,020.70 × 3,565.13
  4. Step 4: Simplify right side
    10,682.78x = 57,115,878.19
  5. Step 5: Solve for x
    x = 57,115,878.19/10,682.78
  6. Step 6: Final answer
    x = 5,346.54

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